ON24 will release its new Webcasting Platform 10 on March 22. This new webcast platform will deliver live mobile webcasts to iPhones, iPads, Android and Win7 devices, and it has Twitter widget integration. Here is more info:

Personalization: Platform 10 allows the audience to customize their experiences, based on individual preferences.

Widget Development Environment: ON24 Webcasting Platform 10 includes a cloud-based widget framework that enables the integration of any type of Flash application into any webcast. Using open APIs, widgets can be built by ON24 or third-party developers. Over 50 widgets are currently available for Webcasting Platform 10.